Base | Representation |
---|---|
bin | 11110000110110… |
… | …10101110100101 |
3 | 122121020002011101 |
4 | 33003122232211 |
5 | 1004123213044 |
6 | 41021040101 |
7 | 6154450321 |
oct | 1703325645 |
9 | 577202141 |
10 | 252554149 |
11 | 11a618741 |
12 | 706b6031 |
13 | 40428133 |
14 | 25782981 |
15 | 1728acd4 |
hex | f0daba5 |
252554149 has 2 divisors, whose sum is σ = 252554150. Its totient is φ = 252554148.
The previous prime is 252554101. The next prime is 252554153. The reversal of 252554149 is 941455252.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 213890625 + 38663524 = 14625^2 + 6218^2 .
It is a cyclic number.
It is not a de Polignac number, because 252554149 - 219 = 252029861 is a prime.
It is a super-3 number, since 3×2525541493 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (252558149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126277074 + 126277075.
It is an arithmetic number, because the mean of its divisors is an integer number (126277075).
Almost surely, 2252554149 is an apocalyptic number.
It is an amenable number.
252554149 is a deficient number, since it is larger than the sum of its proper divisors (1).
252554149 is an equidigital number, since it uses as much as digits as its factorization.
252554149 is an evil number, because the sum of its binary digits is even.
The product of its digits is 72000, while the sum is 37.
The square root of 252554149 is about 15891.9523344364. The cubic root of 252554149 is about 632.0986108014.
The spelling of 252554149 in words is "two hundred fifty-two million, five hundred fifty-four thousand, one hundred forty-nine".
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